From 24a69d22a0e7c3e089ab56f5b3800a69a44c6963 Mon Sep 17 00:00:00 2001
From: Igor Zinkovsky <igorzi@microsoft.com>
Date: Wed, 2 Nov 2011 15:06:48 -0700
Subject: [PATCH] process.kill to use uv_kill

---
 src/node.cc                           | 15 ++++-----
 src/node.h                            |  4 +++
 src/node.js                           | 48 +++++++++++++++------------
 test/simple/test-process-kill-null.js |  5 ---
 4 files changed, 38 insertions(+), 34 deletions(-)

diff --git a/src/node.cc b/src/node.cc
index 751d8ef061..07911ccce5 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -1623,8 +1623,6 @@ v8::Handle<v8::Value> MemoryUsage(const v8::Arguments& args) {
 }
 
 
-#ifdef __POSIX__
-
 Handle<Value> Kill(const Arguments& args) {
   HandleScope scope;
 
@@ -1632,17 +1630,18 @@ Handle<Value> Kill(const Arguments& args) {
     return ThrowException(Exception::Error(String::New("Bad argument.")));
   }
 
-  pid_t pid = args[0]->IntegerValue();
+  int pid = args[0]->IntegerValue();
   int sig = args[1]->Int32Value();
-  int r = kill(pid, sig);
+  uv_err_t err = uv_kill(pid, sig);
 
-  if (r != 0) return ThrowException(ErrnoException(errno, "kill"));
+  if (err.code != UV_OK) {
+    SetErrno(err);
+    return scope.Close(Integer::New(-1));
+  }
 
   return Undefined();
 }
 
-#endif // __POSIX__
-
 
 typedef void (UV_DYNAMIC* extInit)(Handle<Object> exports);
 
@@ -2128,9 +2127,9 @@ Handle<Object> SetupProcessObject(int argc, char *argv[]) {
 
   NODE_SET_METHOD(process, "setgid", SetGid);
   NODE_SET_METHOD(process, "getgid", GetGid);
+#endif // __POSIX__
 
   NODE_SET_METHOD(process, "_kill", Kill);
-#endif // __POSIX__
 
   NODE_SET_METHOD(process, "dlopen", DLOpen);
 
diff --git a/src/node.h b/src/node.h
index cd56591a82..aebb87db00 100644
--- a/src/node.h
+++ b/src/node.h
@@ -54,6 +54,10 @@
 #define PATH_MAX MAX_PATH
 #endif
 
+#ifdef _WIN32
+# define SIGKILL         9
+#endif
+
 #include <uv.h>
 #include <v8.h>
 #include <sys/types.h> /* struct stat */
diff --git a/src/node.js b/src/node.js
index 403c618307..c3f7f9f937 100644
--- a/src/node.js
+++ b/src/node.js
@@ -208,6 +208,16 @@
     };
   };
 
+  function errnoException(errorno, syscall) {
+    // TODO make this more compatible with ErrnoException from src/node.cc
+    // Once all of Node is using this function the ErrnoException from
+    // src/node.cc should be removed.
+    var e = new Error(syscall + ' ' + errorno);
+    e.errno = e.code = errorno;
+    e.syscall = syscall;
+    return e;
+  }
+
   function createWritableStdioStream(fd) {
     var stream;
     var tty_wrap = process.binding('tty_wrap');
@@ -318,34 +328,30 @@
   };
 
   startup.processKillAndExit = function() {
-    var isWindows = process.platform === 'win32';
-
     process.exit = function(code) {
       process.emit('exit', code || 0);
       process.reallyExit(code || 0);
     };
 
-    if (isWindows) {
-      process.kill = function(pid, sig) {
-        console.warn('process.kill() is not supported on Windows.  Use ' +
-                     'child.kill() to kill a process that was started '  +
-                     'with child_process.spawn().');
-      }
-    } else {
-      process.kill = function(pid, sig) {
-        // preserve null signal
-        if (0 === sig) {
-          process._kill(pid, 0);
+    process.kill = function(pid, sig) {
+      var r;
+
+      // preserve null signal
+      if (0 === sig) {
+        r = process._kill(pid, 0);
+      } else {
+        sig = sig || 'SIGTERM';
+        if (startup.lazyConstants()[sig]) {
+          r = process._kill(pid, startup.lazyConstants()[sig]);
         } else {
-          sig = sig || 'SIGTERM';
-          if (startup.lazyConstants()[sig]) {
-            process._kill(pid, startup.lazyConstants()[sig]);
-          } else {
-            throw new Error('Unknown signal: ' + sig);
-          }
+          throw new Error('Unknown signal: ' + sig);
         }
-      };
-    }
+      }
+
+      if (r) {
+        throw errnoException('kill', errno);
+      }
+    };
   };
 
   startup.processSignalHandlers = function() {
diff --git a/test/simple/test-process-kill-null.js b/test/simple/test-process-kill-null.js
index 1b9ba17156..bf096a6442 100644
--- a/test/simple/test-process-kill-null.js
+++ b/test/simple/test-process-kill-null.js
@@ -19,11 +19,6 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-if (process.platform === 'win32') {
-  console.warn('Skipping because process.kill is not supported on windows');
-  process.exit(0);
-}
-
 
 var assert = require('assert');
 var spawn = require('child_process').spawn;